#VU104987 Out-of-bounds read in Linux kernel - CVE-2024-57996

Vulnerability identifier: #VU104987

Vulnerability risk: Low

CVSSv4.0: 4.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2024-57996

CWE-ID: CWE-125

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Linux kernel
Operating systems & Components / Operating system

Vendor: Linux Foundation

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to an out-of-bounds read error within the sfq_change() function in net/sched/sch_sfq.c. A local user can perform a denial of service (DoS) attack.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Linux kernel: 6.6 - 6.6.75

---

External links
https://git.kernel.org/stable/c/10685681bafce6febb39770f3387621bf5d67d0b
https://git.kernel.org/stable/c/35d0137305ae2f97260a9047f445bd4434bd6cc7
https://git.kernel.org/stable/c/7d8947f2153ee9c5ab4cb17861a11cc45f30e8c4
https://git.kernel.org/stable/c/7fefc294204f10a3405f175f4ac2be16d63f135e
https://git.kernel.org/stable/c/833e9a1c27b82024db7ff5038a51651f48f05e5e
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.76

---

Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?